Patents by Inventor Eiji Takahashi

Eiji Takahashi has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 11940347
    Abstract: A pressure sensor has a stem in which a pressure introduction hole into which a pressure medium is introduced and a diaphragm deformable according to the pressure of the pressure medium are formed, and a strain detecting element which is arranged on the diaphragm via an insulating film and being configured to output a detection signal according to the deformation of the diaphragm. The strain detecting element is configured to have a portion made of polysilicon. A low doping layer having a higher electrical resistivity than polysilicon and a higher crystallinity than the insulating film is arranged between the insulating film and the strain detecting element.
    Type: Grant
    Filed: October 22, 2021
    Date of Patent: March 26, 2024
    Assignees: DENSO CORPORATION, NAGANO KEIKI CO., LTD.
    Inventors: Hiroshi Kodama, Naoki Yoshida, Kaori Miyashita, Eiji Takeda, Nobuaki Yamada, Yoshihiro Tomomatsu, Yasushi Yanagisawa, Yusuke Midorikawa, Shirou Kamanaru, Kenichi Yokoyama, Inao Toyoda, Hisayuki Takeuchi, Naohisa Niimi, Masao Takahashi, Yasutake Ura, Kouji Asano, Yukihiro Kamada
  • Patent number: 11921245
    Abstract: A photon counting device includes a plurality of pixels each including a photoelectric conversion element configured to convert input light to charge, and an amplifier configured to amplify the charge converted by the photoelectric conversion element and convert the charge to a voltage, an A/D converter configured to convert the voltages output from the amplifiers of the plurality of pixels to digital values; and a conversion unit configured to convert the digital value output from the A/D converter to the number of photons by referring to reference data, for each of the plurality of pixels, and the reference data is created based on a gain and an offset value for each of the plurality of pixels.
    Type: Grant
    Filed: April 12, 2023
    Date of Patent: March 5, 2024
    Assignee: HAMAMATSU PHOTONICS K.K.
    Inventors: Tadashi Maruno, Eiji Toda, Mao Nakajima, Teruo Takahashi, Takafumi Higuchi
  • Publication number: 20240056893
    Abstract: A control apparatus (10) according to the present disclosure includes a selection unit (11) configured to select a plurality of radio terminals that perform wireless communication through one of a plurality of antennas included in a wireless network at a predetermined timing, a determination unit (12) configured to determine combinations of the plurality of antennas and the selected plurality of radio terminals, and an allocation unit (13) configured to allocate radio resources for performing wireless communication at the predetermined timing, to the plurality of radio terminals, and the selection unit (11) selects a plurality of radio terminals from all radio terminals so as to satisfy delay requirements determined for data to be transmitted or received by all the radio terminals capable of performing wireless communication through one of the plurality of antennas.
    Type: Application
    Filed: December 21, 2020
    Publication date: February 15, 2024
    Applicant: NEC Corporation
    Inventors: Nobuhiko Itoh, Eiji Takahashi, Tansheng Li
  • Publication number: 20240039331
    Abstract: A wireless power supply unit includes: a power transmitting coil; and a power receiving coil that wirelessly receives electric power from the power transmitting coil. One of the power transmitting coil and the power receiving coil is shaped so that, during use, a central portion thereof is located beyond an outer peripheral portion thereof, as viewed from another one of the power transmitting coil and the power receiving coil.
    Type: Application
    Filed: December 9, 2020
    Publication date: February 1, 2024
    Inventors: Hideaki MIYAMOTO, Eiji TAKAHASHI, Tsutomu SAKATA
  • Publication number: 20230412303
    Abstract: A control apparatus predicts a probability distribution of radio quality when a downlink transmission from a base station to a radio terminal or an uplink transmission from a radio terminal to a base station is to be performed. The control apparatus calculates an expected value of a block error rate or reliability in the downlink or uplink transmission using the predicted probability distribution. The control apparatus determines a value of each of one or more parameters related to the downlink or uplink transmission, taking into account the calculated expected value.
    Type: Application
    Filed: May 23, 2023
    Publication date: December 21, 2023
    Applicant: NEC Corporation
    Inventors: Takeo Onishi, Eiji Takahashi
  • Patent number: 11841560
    Abstract: Provided is a depolarizing plate having a superior degree of depolarization to conventional depolarizing plates. The depolarizing plate includes a light-transmitting substrate having a surface layer portion in which a fine pattern is provided that includes a plurality of curved lines randomly disposed at a pitch of no greater than a wavelength of light, and that exhibits structural birefringence.
    Type: Grant
    Filed: February 18, 2021
    Date of Patent: December 12, 2023
    Assignee: Dexerials Corporation
    Inventors: Akio Takada, Eiji Takahashi, Nobuyuki Koike, Koji Sasaki, Naoki Hanashima
  • Publication number: 20230353854
    Abstract: An imaging device according to the present invention includes an illumination unit 20 containing a light source 21 for emitting illumination light 2, and a lens group 22 for irradiating an imaging object 1 with the illumination light 2 emitted from the light source 21, and an imaging unit 10 for imaging the imaging object 1. A part of the illumination light 2 is shielded by a light shielding component 40.
    Type: Application
    Filed: June 2, 2021
    Publication date: November 2, 2023
    Applicant: KOWA COMPANY, LTD.
    Inventors: Takao Ushiyama, Eiji Takahashi
  • Patent number: 11569893
    Abstract: A beam selection system that includes a memory operably connected to processing circuitry. The memory configured to store instructions that request call control information from a device; receive a plurality of user equipment (UE) trajectories and parameters from the device; predict with a first artificial intelligence (AI) engine a plurality of beam patterns within a beam index at a plurality of nodes corresponding with a predicted UE location based on the plurality of UE trajectories and parameters of each UE; transmit the plurality of predicted beam patterns to the plurality of nodes corresponding with a corresponding UE of a plurality of UEs; receive a plurality of UE selected beam patterns from the plurality of nodes; train a second AI engine based the plurality of UE selected beam patterns. The processing circuitry is further configured to update the first AI engine based on learned results from the second AI engine.
    Type: Grant
    Filed: December 8, 2021
    Date of Patent: January 31, 2023
    Assignee: NEC Corporation
    Inventors: Dheeraj Kotagiri, Eiji Takahashi, Takeo Onishi
  • Publication number: 20220408712
    Abstract: A monitoring camera includes a housing having a tip end cylindrical portion in which a lens is disposed, the tip end cylindrical portion being covered with a front glass, an eave member that is provided on an upper surface of the housing and that has a tip end flange portion protruding forward from the front glass, and a repellent member that is provided at the tip end flange portion and contains a drug for repelling a pest such as a spider.
    Type: Application
    Filed: August 31, 2022
    Publication date: December 29, 2022
    Applicant: i-PRO Co., Ltd.
    Inventors: Jyouji WADA, Hideki YASUDA, Masahito OKA, Toshiaki ITO, Eiji TAKAHASHI
  • Publication number: 20220224159
    Abstract: A wireless power and data transmission apparatus includes an inner module and an outer module. The inner module includes: an annular-shaped first antenna disposed around an axis; and an annular-shaped first communication electrode disposed around the axis, the first communication electrode being at a different position from that of the first antenna regarding a direction along the axis. The outer module includes: an annular-shaped second antenna disposed around the axis, the second antenna performing power transmission or power reception with the first antenna via magnetic field coupling or electric field coupling; and an annular-shaped second communication electrode disposed around the axis, the second communication electrode being at a different position from that of the second antenna regarding the direction along the axis, and the second antenna performing communications with the first communication electrode via electric field coupling.
    Type: Application
    Filed: April 17, 2020
    Publication date: July 14, 2022
    Inventors: Masato MATSUMOTO, Eiji TAKAHASHI, Hideaki MIYAMOTO, Tsutomu SAKATA
  • Publication number: 20220156362
    Abstract: A white list generation apparatus (2000) acquires a generation request (70). The generation request (70) includes hardware configuration information (74) indicating hardware performance of a target virtual machine (20) and software configuration information (72) indicating software to be installed on the target virtual machine (20). The white list generation apparatus (2000) generates or determines a machine (90) configured with hardware with performance higher than hardware performance indicated in the hardware configuration information (74). The white list generation apparatus (2000) further installs software indicated in the software configuration information (72) onto the machine (90). Then, the white list generation apparatus (2000) generates a white list (60), based on a content of a storage apparatus in the machine (90) after completion of the installation.
    Type: Application
    Filed: December 11, 2019
    Publication date: May 19, 2022
    Applicant: NEC Corporation
    Inventor: Eiji TAKAHASHI
  • Publication number: 20220080476
    Abstract: A substrate processing apparatus is disclosed. The apparatus comprises a vacuum transfer chamber including a top surface, a bottom surface, and side surfaces between the top and the bottom surfaces, including a first side surface and a second side surface opposite to the first side surface; a transfer robot, disposed in the vacuum transfer chamber, for transfering a substrate; a load lock module connected to the first side surface; a pipe, connected to a purge gas supply source, for supplying a purge gas into the vacuum transfer chamber; one or more gas ports provided in the top surface in the vicinity of the second side surface and connected to the pipe; and one or more exhaust ports, provided in the bottom surface in the vicinity of the first side surface, to which an exhaust pump for exhausting the purge gas supplied into the vacuum transfer chamber is connected.
    Type: Application
    Filed: September 17, 2021
    Publication date: March 17, 2022
    Applicant: TOKYO ELECTRON LIMITED
    Inventors: Norihiko AMIKURA, Hideyuki OSADA, Genichi NANASAKI, Seiichi KAISE, Masatomo KITA, Takashi TAKIZAWA, Eiji TAKAHASHI
  • Patent number: 11262491
    Abstract: Provided are a polarizing plate having excellent optical characteristics, and a method for manufacturing the polarizing plate. The present invention is provided with: a translucent substrate through which light passes in a working band; a bundle structure layer constituted of a columnar sheaf comprising one or more material from among dielectrics, metals, and semiconductors, the bundle structure layer being formed on the translucent substrate; an absorption layer formed on the bundle structure layer; a dielectric layer formed on the absorption layer; and a reflection layer formed on the dielectric layer and arranged as a one-dimensional lattice at a pitch that is smaller than the wavelength of the light in the working band. Because the bundle structure layer increases light absorption and light scattering, the result is that reflectivity can be reduced and excellent optical characteristics obtained.
    Type: Grant
    Filed: November 6, 2019
    Date of Patent: March 1, 2022
    Assignee: Dexerials Corporation
    Inventors: Akio Takada, Eiji Takahashi, Nobuyuki Koike, Koji Sasaki
  • Patent number: 11143632
    Abstract: In a rotating machine abnormality detection device, a rotating machine abnormality detection method, and a rotating machine according to the present invention, vibration caused by at least one of first and second rotating bodies is measured, a predetermined feature amount related to a frequency component is obtained based on a frequency spectrum of the measurement data, and determination is made on presence/absence of abnormality based on the obtained predetermined feature amount. On this occasion, when determination is made that abnormality is present, determination whether the determination of abnormality is caused by noise or not is made based on the frequency spectrum, and when determination is made that the determination of abnormality is not caused by the noise, the determined abnormality is ultimately considered as abnormality.
    Type: Grant
    Filed: August 28, 2017
    Date of Patent: October 12, 2021
    Assignee: Kobe Steel, Ltd.
    Inventors: Kaname Araki, Eiji Takahashi, Shugo Takaki, Masato Hayashi
  • Patent number: 11060902
    Abstract: An abnormality treatment apparatus includes: a sensor which outputs a signal upon detecting an event caused by contact of a rotor of a rotating machine during rotation of the rotor; and a control unit which executes at least one of rotation number control of reducing the number of rotations of the rotor step by step, liquid injection control of injecting liquid into a housing chamber of the rotor step by step, and pressure control of lowering a discharge pressure of the rotating machine step by step based on reception of the signal output from the sensor.
    Type: Grant
    Filed: June 17, 2019
    Date of Patent: July 13, 2021
    Assignee: Kobe Steel, Ltd.
    Inventors: Shugo Takaki, Yoshinori Kurioka, Yasuharu Matsumoto, Eiji Takahashi, Kaname Araki
  • Publication number: 20210181541
    Abstract: Provided is a depolarizing plate having a superior degree of depolarization to conventional depolarizing plates. The depolarizing plate includes a light-transmitting substrate having a surface layer portion in which a fine pattern is provided that includes a plurality of curved lines randomly disposed at a pitch of no greater than a wavelength of light, and that exhibits structural birefringence.
    Type: Application
    Filed: February 18, 2021
    Publication date: June 17, 2021
    Applicant: Dexerials Corporation
    Inventors: Akio TAKADA, Eiji TAKAHASHI, Nobuyuki KOIKE, Koji SASAKI, Naoki HANASHIMA
  • Patent number: 11002993
    Abstract: Provided is a depolarizing plate having a superior degree of depolarization to conventional depolarizing plates. The depolarizing plate includes a light-transmitting substrate having a surface layer portion in which a fine pattern is provided that includes a plurality of curved lines randomly disposed at a pitch of no greater than a wavelength of light, and that exhibits structural birefringence.
    Type: Grant
    Filed: June 17, 2016
    Date of Patent: May 11, 2021
    Assignee: Dexerials Corporation
    Inventors: Akio Takada, Eiji Takahashi, Nobuyuki Koike, Koji Sasaki, Naoki Hanashima
  • Patent number: 10919160
    Abstract: An electrodynamic apparatus includes a first arm extending in a first direction, a second arm supported by the first arm, a linear actuator that moves the second arm along the first direction with respect to the first arm, a support extending in a second direction that is different from the first direction and supporting the first arm, and a rotating mechanism that rotates the support about an axis of rotation parallel to the second direction. The first arm includes a power transmission antenna. The second arm includes a power reception antenna. The power transmission antenna supplies electric power to the power reception antenna wirelessly. In rotating the support, the linear actuator moves the center of gravity of the second arm to the axis of rotation first, and then the rotating mechanism rotates the support.
    Type: Grant
    Filed: January 4, 2017
    Date of Patent: February 16, 2021
    Assignee: Panasonic Intellectual Property Management Co., Ltd
    Inventors: Tsutomu Sakata, Eiji Takahashi, Hiroshi Kanno, Satoru Kikuchi
  • Patent number: 10907250
    Abstract: Provided are a block copolymer pattern formation method that enables formation, over a large area, of a block copolymer pattern with a perpendicularly oriented lamellar structure enabling nanoscale surface shape control, and a diffraction limited optical element produced using the block copolymer pattern formation method. The block copolymer pattern formation method is a method for forming a block copolymer pattern on a substrate and includes forming an oblique angle vapor deposited film on the substrate, applying a block copolymer onto the oblique angle vapor deposited film that has been formed, and subjecting the block copolymer that has been applied to perpendicularly oriented lamellar structure development post-treatment to form a pattern with a perpendicularly oriented lamellar structure.
    Type: Grant
    Filed: July 27, 2017
    Date of Patent: February 2, 2021
    Assignee: Dexerials Corporation
    Inventors: Eiji Takahashi, Akio Takada, Nobuyuki Koike
  • Patent number: 10873873
    Abstract: A communication load estimation system is provided with a load estimation means 501 for estimating a communication load of a wireless base station to be an object of estimation, using at least: a network parameter which is a parameter concerning the number of antennas used for signal transmission of the wireless base station; a first quality measurement value which is a measurement value concerning a quality of communication with the wireless base station and which includes at least total reception power; and a second quality measurement value which is a measurement value concerning a quality of communication with the wireless base station and which includes at least a signal to interference noise ratio of a reference signal.
    Type: Grant
    Filed: December 19, 2016
    Date of Patent: December 22, 2020
    Assignee: NEC CORPORATION
    Inventors: Eiji Takahashi, Daisuke Ohta, Takeo Onishi, Takahiro Shiroshima